GREASY OR MARSH FRITILLARY, 137 



ft may be cliaracterised negatively as not having the 

 rows of black spots found on both surfaces of Cinxia, 

 though its colouring is very similar — fulvous (or orange* 

 brown) and black above ; straw-coloured, fulvous, and 

 black beneath. 



The caterpillar is black, with rust-coloured spines ; 

 and feeds on various species of plantain. 



The butterfly is out from May to July, and is met 

 with (if at all) on heaths, clearings in woods, &c. 

 Localities, in some of which it is very plentiful, are, 

 Caen Wood ; Coombe Wood ; Epping ; Halton, Bucks ; 

 Bedford ; Aspley Wood, Beds ; Plymouth, Teignmouth, 

 Stowmarket, Dartmoor, Devonshire ; Oxford ; Wilt- 

 shire; Colchester; St. Osyth ; Tenterden ; Favershani ; 

 Deal; Canterbury. Very rare in north of England. 



THE GREASY OE MARSH FRITILLARY. 



(Jfelitcea Artemis.) (Plate XL fig. 4.) 



The black markings on the upper side of this but- 

 terfly closely approach those of the last two species, but 

 the interstices, instead of being filled up with a uniform 

 fulvous tint, as in those, are " coloured in " with several 

 distinct shades, some with pale tawny yellow, others with 

 deep cringe brown. This latter tint forms a band parallel 



